package com.hxkcloud.nurse.utils;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * 
 * @Package: com.yipong.app.utils
 * @ClassName: MD5Utils.java
 * @Description:
 * @author: allen_lee
 * @Date: 2016-5-10 下午1:36:33
 *
 */
public class MD5Utils {
	
	public static String MD5Encode(String str){
		MessageDigest md5 = null;
		try {
			md5 = MessageDigest.getInstance("MD5");
		} catch (NoSuchAlgorithmException e) {
			System.out.println(e.toString());
			e.printStackTrace();
			return "";
		}
		
		char[] charArray = str.toCharArray();
		byte[] byteArray = new byte[charArray.length];

		for (int i = 0; i < charArray.length; i++){
			byteArray[i] = (byte) charArray[i];
		}
		byte[] md5Bytes = md5.digest(byteArray);
		StringBuffer hexValue = new StringBuffer();
		for (int i = 0; i < md5Bytes.length; i++) {
			int val = ((int) md5Bytes[i]) & 0xff;
			if (val < 16)
				hexValue.append("0");
			hexValue.append(Integer.toHexString(val));
		}
		return hexValue.toString().toUpperCase();
	}

}
